91 lines
2.7 KiB
C
91 lines
2.7 KiB
C
/* $NetBSD: intr.h,v 1.20 2009/05/22 08:08:36 he Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Jason R. Thorpe and Steve C. Woodford.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _MVME68K_INTR_H
|
|
#define _MVME68K_INTR_H
|
|
|
|
#include <machine/psl.h>
|
|
|
|
#define IPL_NONE 0 /* disable only this interrupt */
|
|
#define IPL_SOFTCLOCK 1 /* clock software interrupts */
|
|
#define IPL_SOFTBIO 2 /* block software interrupts */
|
|
#define IPL_SOFTNET 3 /* network software interrupts */
|
|
#define IPL_SOFTSERIAL 4 /* serial software interrupts */
|
|
#define IPL_VM 5
|
|
#define IPL_SCHED 6
|
|
#define IPL_HIGH 7
|
|
#define NIPL 8
|
|
|
|
#ifdef _KERNEL
|
|
#define spl0() _spl0()
|
|
#define splsoftclock() splraise1()
|
|
#define splsoftbio() splraise1()
|
|
#define splsoftnet() splraise1()
|
|
#define splsoftserial() splraise1()
|
|
#define splvm() splraise3()
|
|
#define splsched() spl7()
|
|
#define splhigh() spl7()
|
|
|
|
#ifndef _LOCORE
|
|
|
|
extern const uint16_t ipl2psl_table[NIPL];
|
|
|
|
typedef int ipl_t;
|
|
typedef struct {
|
|
uint16_t _psl;
|
|
} ipl_cookie_t;
|
|
|
|
static inline ipl_cookie_t
|
|
makeiplcookie(ipl_t ipl)
|
|
{
|
|
|
|
return (ipl_cookie_t){._psl = ipl2psl_table[ipl]};
|
|
}
|
|
|
|
static inline int
|
|
splraiseipl(ipl_cookie_t icookie)
|
|
{
|
|
|
|
return _splraise(icookie._psl);
|
|
}
|
|
|
|
static __inline void
|
|
splx(int sr)
|
|
{
|
|
|
|
__asm volatile("movw %0,%%sr" : : "di" (sr));
|
|
}
|
|
|
|
#endif /* !_LOCORE */
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _MVME68K_INTR_H */
|